Home / 197,694.56-272,838.06-112,824.38

Finding the Fourth Proportional to 197,694.56, 272,838.06 and 112,824.38

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Solution

The fourth proportional to 197,694.56, 272,838.06 and 112,824.38 is: 155,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,694.56 : 272,838.06 = 112,824.38 : x
  2. Step 2: Convert to fraction form
    197,694.56/272,838.06 = 112,824.38/x
  3. Step 3: Cross multiply
    197,694.56x = 272,838.06 × 112,824.38
  4. Step 4: Simplify right side
    197,694.56x = 30,782,784,959.90
  5. Step 5: Solve for x
    x = 30,782,784,959.90/197,694.56
  6. Step 6: Final answer
    x = 155,708.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.